Edo Owada is a human boy with a parasite named Grease. He is Mondo Owada and Filia first child and the best friend of Bluecub and Pharaoh Man Junior.

He is kidnapped in The Final Victory of the Warriors by Boss Dingo to being analyzed for a research the Reploid he was doing while he was looking for The Negatrix Trio, and to turn him into a Reploid of Advanced Power to be part of The Hard Corps, but his father Mondo stopped Dingo and saved Edo in time.

In World War of Gods, he growns up with an updated appearance, shown that now he obtains a parasite named Grease, since then, turned into friends and sidekicks.